期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 389, 期 13, 页码 2675-2681出版社
ELSEVIER
DOI: 10.1016/j.physa.2010.02.043
关键词
Turbulence; Energy dissipation rate; Visibility graph; Degree distribution; Self-similarity; Allometric scaling
资金
- National Basic Research Program of China [2004CB217703]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0620]
- Program for New Century Excellent Talents in University [NCET-07-0288]
We study the statistical properties of complex networks constructed from time series of energy dissipation rates in three-dimensional fully developed turbulence using the visibility algorithm. The degree distribution is found to have a power-law tail with the tail exponent alpha = 3.0. The exponential relation between the number of the boxes N-B and the box size I-B based on the edge-covering box-counting method illustrates that the network is not self-similar, which is also confirmed by the hub-hub attraction according to the visibility algorithm. In addition, it is found that the skeleton of the visibility network exhibits excellent allometric scaling with the scaling exponent eta = 1.163 +/- 0.005. (C) 2010 Elsevier B.V. All rights reserved.
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